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Sun’s Network File System (NFS)

49. Sun's Network File System (NFS). One of the first uses of distributed client/server computing was in the realm of distributed file systems. In such an environment, there are a number of client machines and one server (or a few); the server stores the data on its disks, and clients request data through well-formed protocol messages. Figure depicts the basic setup. Client 0. Client 1. Network Server Client 2. RAID. Client 3. Figure : A Generic Client/Server System As you can see from the picture, the server has the disks, and clients send messages across a Network to access their directories and files on those disks.

2 SUN’S NETWORK FILE SYSTEM (NFS) CRUX: HOW TO BUILD A DISTRIBUTED FILE SYSTEM How do you build a distributed file system? What are the key aspects to think about? What is easy to get wrong? What can we learn from existing systems? 49.1 A Basic Distributed File System We now will study the architecture of a simplified distributed file sys-tem.

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